import {asyncRouterMap, constantRouterMap} from '../../router/index'
/**
 * 通过meta.role判断是否与当前用户权限匹配
 * @param roles
 * @param route
 */
function hasPermission(roles, route) {
  if (route.meta && route.meta.role) {
    return roles.some(role => route.meta.role.indexOf(role) >= 0)
  } else {
    return true
  }
}

/**
 * 递归过滤异步路由表，返回符合用户角色权限的路由表
 * @param asyncRouterMap
 * @param roles
 */
function filterAsyncRouter (asyncRouterMap, roles) {
  const accessedRouters = asyncRouterMap.filter(route => {
    if (hasPermission(roles, route)) {
      if (route.children && route.children.length) {
        route.children = filterAsyncRouter(route.children, roles)
      }
      return true
    }
    return false
  })
  return accessedRouters
}
// setTimeout(function () {
//   console.log(asyncRouterMap)
// }, 500)
const permission = {
  state: {
    routers: constantRouterMap,
    addRouters: asyncRouterMap // 不知问题出在哪，这里import都是异步加载进来的
  },
  mutations: {
    // SET_ROUTERS: (state, routers) => {
    //   state.addRouters = routers
    //   state.routers = constantRouterMap.concat(routers)
    // }
  },
  actions: {
    GenerateRoutes({commit}, data) {
      return new Promise(resolve => {
        // const {roles} = data
        // let accessedRouters
        // if (roles.indexOf('admin') >= 0) {
        //   accessedRouters = asyncRouterMap
        // } else {
        //   accessedRouters = filterAsyncRouter(asyncRouterMap, roles)
        // }
        // commit('SET_ROUTERS', accessedRouters);
        resolve();
      })
    }
  }
};

export default permission;
